*{
    margin: 0;
    padding: 0;
}
ul{
    list-style: none!important;
}
a{
    text-decoration: none!important;
}
#header{
    width: 100%;
    height: 120px;
}
.main-left{
    width: 1242px;
    height: 35px;
    margin: 0 auto;
    font-size: 10px;
}
.main-left ul{
    width: 193px;
    height: 35px;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
}
.main-left ul li{
    position: relative;
}
.main-left ul li b{
    position: absolute;
    right: -10px;
}
.main-left a{
    color: #333;
}
.main-left ul li:nth-of-type(4){
    cursor: pointer;
}
.type{
    height: 124px;
    width: 1242px;
    margin: 0 auto;
    padding-top: 20px;
    padding-left: 20px;
    box-sizing: border-box;
}
.type .number{   
    width: 64px;
    height: 12px;
}
h2{
    margin-top: 20px;
    font-size: 50px;
}
main{
    width: 1242px;
    margin: 0 auto;
}
main ul{
    width: 1242px;
    display: flex;
    flex-wrap: wrap;
}
main ul li{
    width: 388px;
    height: 632px;
    margin-left: 20px;
    margin-top: 65px;
    position: relative;
}
main ul li a{
    font-size: 16px;
    color: black;
}
.commdity span{
    display: inline-block;
    text-decoration: none;
}
.picture{
    margin-bottom: 12px;
}
.picture img{
    width: 388px;
    height: 516px;
}
main ul li p{
    margin-top: 10px;
    color: #575757;
    font-size: 12px;
}
main ul li section{
    margin-top: 15px;
    font-weight: bolder;
    font-size: 10px;
}
.meng{
    width: 388px;
    height: 516px;
    background: green;
    position: absolute;
    top: 0;
    left: 0;
    display: none;
    cursor: pointer;
}
.meng img{
    width: 388px;
    height: 516px;
}

/* 返回顶部 */
.return {
    width: 36px;
    height: 36px;
    background: #fff;
    border: 1px solid #dbdbdb;
    border-radius: 50%;
    position: fixed;
    right: 2%;
    bottom: 10%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.return .icon-xiangxia {
    font-size: 30px;
    transform: rotate(180deg);
}